Page 1 of 2 1 2 LastLast
Results 1 to 10 of 15
  1. #1

    Join Date
    May 2008
    Location
    Aiken SC
    Posts
    57

    Reduction Nozzle

    I was just looking on the online store at the reduction nozzle assembly and various rings that can be changed with it. What kind of gains can be expected if this is utilized? Will this benefit a stage one kit? Does anything else need to be run with this in order to achieve maximum performance? Any and all feedback on this will be appreciated thanks


  2. #2
    hitman's Avatar
    Join Date
    Aug 2006
    Location
    Ft. Lauderdale, FL
    Posts
    4,328
    +1
    12
    You should not need it for a stage 1 boat. Dial in the RPMs with your prop selection.

  3. #3
    Addicted Member 5001craig's Avatar
    Join Date
    Jul 2007
    Location
    Northeast Indiana
    Posts
    2,924
    +1
    11
    Personally, I don't have a set of nozzles but I feel they would be a great help in fine-tuning the pump for optimal RPM's. I have not pitched my prop yet but would be very comfortable changing the nozzles.

    My .02.

    And yes hitman--your shit pulled mine in MB.

  4. #4
    hitman's Avatar
    Join Date
    Aug 2006
    Location
    Ft. Lauderdale, FL
    Posts
    4,328
    +1
    12
    Quote Originally Posted by 5001craig View Post
    Personally, I don't have a set of nozzles but I feel they would be a great help in fine-tuning the pump for optimal RPM's. I have not pitched my prop yet but would be very comfortable changing the nozzles.

    My .02.

    And yes hitman--your shit pulled mine in MB.
    I bet it's running a hell of a lot faster with the stock pump in there. What pitch was your 160 prop?

  5. #5
    gordon lasiter #328's Avatar
    Join Date
    Aug 2008
    Location
    katy, texas , United States
    Posts
    1,647
    +1
    28
    Quote Originally Posted by hitman View Post
    I bet it's running a hell of a lot faster with the stock pump in there. What pitch was your 160 prop?
    a 160 prop with a stock pump!
    yea what pitch was your prop?
    getting back to the subject for this thread. the ring nozzle is good for fine tuning the pump to the prop. especially in the summer heat. when you tend to loose rpms when it gets warmer.
    but, you have to get the prop pitched right.
    from the 81mm ring to the 86mm ring i have seen my rpms go from 8200 to 8500+.

  6. #6
    hitman's Avatar
    Join Date
    Aug 2006
    Location
    Ft. Lauderdale, FL
    Posts
    4,328
    +1
    12
    Quote Originally Posted by gordon lasiter #328 View Post
    a 160 prop with a stock pump!
    yea what pitch was your prop?
    No, I was asking him what pitch prop he was running in his 160mm setup. He was having trouble turning it so he switched back to the 155 setup.

  7. #7

    Join Date
    Aug 2008
    Location
    Southern Florida
    Posts
    5,589
    +1
    345
    Quote Originally Posted by hitman View Post
    You should not need it for a stage 1 boat. Dial in the RPMs with your prop selection.
    Not sure I agree with that.

    With my conversion, we pitch the prop for summer time heat and use a large nozzle, as it gets colder we start reducing the size of the nozzle as necessary to stay off the limiter.

  8. #8
    Live Fast wave15stx's Avatar
    Join Date
    May 2007
    Location
    new jersey
    Posts
    2,214
    +1
    32
    Quote Originally Posted by SHOdude View Post
    Not sure I agree with that.

    With my conversion, we pitch the prop for summer time heat and use a large nozzle, as it gets colder we start reducing the size of the nozzle as necessary to stay off the limiter.
    this is my plan im pretty much dialed in for the cooler temps with my prop so ill adjust with nozzle setup for the heat

  9. #9
    gordon lasiter #328's Avatar
    Join Date
    Aug 2008
    Location
    katy, texas , United States
    Posts
    1,647
    +1
    28
    Quote Originally Posted by hitman View Post
    No, I was asking him what pitch prop he was running in his 160mm setup. He was having trouble turning it so he switched back to the 155 setup.
    i was curious to what pitch he had for the 160mm setup. because i am getting my liner and prop back by friday. and hoping that i am not dissapointed with its performance.

  10. #10
    hitman's Avatar
    Join Date
    Aug 2006
    Location
    Ft. Lauderdale, FL
    Posts
    4,328
    +1
    12
    Quote Originally Posted by gordon lasiter #328 View Post
    i was curious to what pitch he had for the 160mm setup. because i am getting my liner and prop back by friday. and hoping that i am not dissapointed with its performance.
    That is what I want to know as well. I think it was pretty mild and he still wasn't able to turn it. Mpower set up a ski with a B1 wheel which used a 160 setup and they were not happy with it.

Page 1 of 2 1 2 LastLast

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Can i use a SKAT 15/19 & reduction nozzle with a Riva stg 2
    By madaboy in forum 4-Tec Performance
    Replies: 0
    Last Post: 09-03-2006, 03:52 AM
  2. Lost 1000 RPM with 15/20 and 81 Reduction Nozzle
    By excess in forum 4-Tec Performance
    Replies: 11
    Last Post: 09-02-2006, 03:02 AM
  3. Riva Racing Reduction Nozzle Question?
    By NeverEndn in forum 4-Tec Performance
    Replies: 5
    Last Post: 08-13-2006, 09:20 PM
  4. RXT pro reduction nozzle
    By shhr in forum 4-Tec Performance
    Replies: 7
    Last Post: 07-10-2006, 01:49 PM
  5. Where to buy a reduction nozzle with rings
    By Hecyan in forum 4-Tec Performance
    Replies: 2
    Last Post: 06-12-2006, 01:07 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •